Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 1 | #ifndef _LINUX_FTRACE_EVENT_H |
| 2 | #define _LINUX_FTRACE_EVENT_H |
| 3 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 4 | #include <linux/ring_buffer.h> |
Steven Rostedt | 16bb8eb | 2009-09-12 19:04:54 -0400 | [diff] [blame] | 5 | #include <linux/trace_seq.h> |
Steven Rostedt | be74b73 | 2009-05-26 20:25:22 +0200 | [diff] [blame] | 6 | #include <linux/percpu.h> |
Frederic Weisbecker | 20ab4425 | 2009-09-18 06:10:28 +0200 | [diff] [blame] | 7 | #include <linux/hardirq.h> |
Xiao Guangrong | 430ad5a | 2010-01-28 09:32:29 +0800 | [diff] [blame] | 8 | #include <linux/perf_event.h> |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 9 | |
| 10 | struct trace_array; |
| 11 | struct tracer; |
Steven Rostedt | 6d72373 | 2009-04-10 14:53:50 -0400 | [diff] [blame] | 12 | struct dentry; |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 13 | |
Steven Rostedt | be74b73 | 2009-05-26 20:25:22 +0200 | [diff] [blame] | 14 | struct trace_print_flags { |
| 15 | unsigned long mask; |
| 16 | const char *name; |
| 17 | }; |
| 18 | |
liubo | 2fc1b6f | 2011-04-19 09:35:28 +0800 | [diff] [blame] | 19 | struct trace_print_flags_u64 { |
| 20 | unsigned long long mask; |
| 21 | const char *name; |
| 22 | }; |
| 23 | |
Steven Rostedt | be74b73 | 2009-05-26 20:25:22 +0200 | [diff] [blame] | 24 | const char *ftrace_print_flags_seq(struct trace_seq *p, const char *delim, |
| 25 | unsigned long flags, |
| 26 | const struct trace_print_flags *flag_array); |
| 27 | |
Steven Rostedt | 0f4fc29 | 2009-05-20 19:21:47 -0400 | [diff] [blame] | 28 | const char *ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val, |
| 29 | const struct trace_print_flags *symbol_array); |
| 30 | |
liubo | 2fc1b6f | 2011-04-19 09:35:28 +0800 | [diff] [blame] | 31 | #if BITS_PER_LONG == 32 |
| 32 | const char *ftrace_print_symbols_seq_u64(struct trace_seq *p, |
| 33 | unsigned long long val, |
| 34 | const struct trace_print_flags_u64 |
| 35 | *symbol_array); |
| 36 | #endif |
| 37 | |
Kei Tokunaga | 5a2e399 | 2010-04-01 20:40:58 +0900 | [diff] [blame] | 38 | const char *ftrace_print_hex_seq(struct trace_seq *p, |
| 39 | const unsigned char *buf, int len); |
| 40 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 41 | /* |
| 42 | * The trace entry - the most basic unit of tracing. This is what |
| 43 | * is printed in the end as a single line in the trace output, such as: |
| 44 | * |
| 45 | * bash-15816 [01] 235.197585: idle_cpu <- irq_enter |
| 46 | */ |
| 47 | struct trace_entry { |
Steven Rostedt | 89ec0de | 2009-03-26 11:03:29 -0400 | [diff] [blame] | 48 | unsigned short type; |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 49 | unsigned char flags; |
| 50 | unsigned char preempt_count; |
| 51 | int pid; |
Arjan van de Ven | a3a4a5a | 2011-05-05 23:55:18 -0400 | [diff] [blame] | 52 | int padding; |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 53 | }; |
| 54 | |
Steven Rostedt | 89ec0de | 2009-03-26 11:03:29 -0400 | [diff] [blame] | 55 | #define FTRACE_MAX_EVENT \ |
| 56 | ((1 << (sizeof(((struct trace_entry *)0)->type) * 8)) - 1) |
| 57 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 58 | /* |
| 59 | * Trace iterator - used by printout routines who present trace |
| 60 | * results to users and which routines might sleep, etc: |
| 61 | */ |
| 62 | struct trace_iterator { |
| 63 | struct trace_array *tr; |
| 64 | struct tracer *trace; |
| 65 | void *private; |
| 66 | int cpu_file; |
| 67 | struct mutex mutex; |
| 68 | struct ring_buffer_iter *buffer_iter[NR_CPUS]; |
Steven Rostedt | 112f38a7 | 2009-06-01 15:16:05 -0400 | [diff] [blame] | 69 | unsigned long iter_flags; |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 70 | |
Lai Jiangshan | bc289ae | 2010-06-03 18:26:24 +0800 | [diff] [blame] | 71 | /* trace_seq for __print_flags() and __print_symbolic() etc. */ |
| 72 | struct trace_seq tmp_seq; |
| 73 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 74 | /* The below is zeroed out in pipe_read */ |
| 75 | struct trace_seq seq; |
| 76 | struct trace_entry *ent; |
Steven Rostedt | bc21b47 | 2010-03-31 19:49:26 -0400 | [diff] [blame] | 77 | unsigned long lost_events; |
Steven Rostedt | a63ce5b | 2009-12-07 09:11:39 -0500 | [diff] [blame] | 78 | int leftover; |
Steven Rostedt | 4a9bd3f | 2011-07-14 16:36:53 -0400 | [diff] [blame] | 79 | int ent_size; |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 80 | int cpu; |
| 81 | u64 ts; |
| 82 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 83 | loff_t pos; |
| 84 | long idx; |
| 85 | |
| 86 | cpumask_var_t started; |
| 87 | }; |
| 88 | |
| 89 | |
Steven Rostedt | a9a5776 | 2010-04-22 18:46:14 -0400 | [diff] [blame] | 90 | struct trace_event; |
| 91 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 92 | typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter, |
Steven Rostedt | a9a5776 | 2010-04-22 18:46:14 -0400 | [diff] [blame] | 93 | int flags, struct trace_event *event); |
| 94 | |
| 95 | struct trace_event_functions { |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 96 | trace_print_func trace; |
| 97 | trace_print_func raw; |
| 98 | trace_print_func hex; |
| 99 | trace_print_func binary; |
| 100 | }; |
| 101 | |
Steven Rostedt | a9a5776 | 2010-04-22 18:46:14 -0400 | [diff] [blame] | 102 | struct trace_event { |
| 103 | struct hlist_node node; |
| 104 | struct list_head list; |
| 105 | int type; |
| 106 | struct trace_event_functions *funcs; |
| 107 | }; |
| 108 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 109 | extern int register_ftrace_event(struct trace_event *event); |
| 110 | extern int unregister_ftrace_event(struct trace_event *event); |
| 111 | |
| 112 | /* Return values for print_line callback */ |
| 113 | enum print_line_t { |
| 114 | TRACE_TYPE_PARTIAL_LINE = 0, /* Retry after flushing the seq */ |
| 115 | TRACE_TYPE_HANDLED = 1, |
| 116 | TRACE_TYPE_UNHANDLED = 2, /* Relay to other output functions */ |
| 117 | TRACE_TYPE_NO_CONSUME = 3 /* Handled but ask to not consume */ |
| 118 | }; |
| 119 | |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 120 | void tracing_generic_entry_update(struct trace_entry *entry, |
| 121 | unsigned long flags, |
| 122 | int pc); |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 123 | struct ring_buffer_event * |
Steven Rostedt | e77405a | 2009-09-02 14:17:06 -0400 | [diff] [blame] | 124 | trace_current_buffer_lock_reserve(struct ring_buffer **current_buffer, |
| 125 | int type, unsigned long len, |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 126 | unsigned long flags, int pc); |
Steven Rostedt | e77405a | 2009-09-02 14:17:06 -0400 | [diff] [blame] | 127 | void trace_current_buffer_unlock_commit(struct ring_buffer *buffer, |
| 128 | struct ring_buffer_event *event, |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 129 | unsigned long flags, int pc); |
Steven Rostedt | e77405a | 2009-09-02 14:17:06 -0400 | [diff] [blame] | 130 | void trace_nowake_buffer_unlock_commit(struct ring_buffer *buffer, |
| 131 | struct ring_buffer_event *event, |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 132 | unsigned long flags, int pc); |
Masami Hiramatsu | 1fd8df2 | 2011-06-08 16:09:34 +0900 | [diff] [blame] | 133 | void trace_nowake_buffer_unlock_commit_regs(struct ring_buffer *buffer, |
| 134 | struct ring_buffer_event *event, |
| 135 | unsigned long flags, int pc, |
| 136 | struct pt_regs *regs); |
Steven Rostedt | e77405a | 2009-09-02 14:17:06 -0400 | [diff] [blame] | 137 | void trace_current_buffer_discard_commit(struct ring_buffer *buffer, |
| 138 | struct ring_buffer_event *event); |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 139 | |
| 140 | void tracing_record_cmdline(struct task_struct *tsk); |
| 141 | |
Li Zefan | 1f9963c | 2009-07-20 10:20:53 +0800 | [diff] [blame] | 142 | struct event_filter; |
| 143 | |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 144 | enum trace_reg { |
| 145 | TRACE_REG_REGISTER, |
| 146 | TRACE_REG_UNREGISTER, |
| 147 | TRACE_REG_PERF_REGISTER, |
| 148 | TRACE_REG_PERF_UNREGISTER, |
| 149 | }; |
| 150 | |
| 151 | struct ftrace_event_call; |
| 152 | |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 153 | struct ftrace_event_class { |
| 154 | char *system; |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 155 | void *probe; |
| 156 | #ifdef CONFIG_PERF_EVENTS |
| 157 | void *perf_probe; |
| 158 | #endif |
| 159 | int (*reg)(struct ftrace_event_call *event, |
| 160 | enum trace_reg type); |
Steven Rostedt | 2e33af0 | 2010-04-22 10:35:55 -0400 | [diff] [blame] | 161 | int (*define_fields)(struct ftrace_event_call *); |
| 162 | struct list_head *(*get_fields)(struct ftrace_event_call *); |
| 163 | struct list_head fields; |
Steven Rostedt | 0405ab8 | 2010-04-22 11:46:44 -0400 | [diff] [blame] | 164 | int (*raw_init)(struct ftrace_event_call *); |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 165 | }; |
| 166 | |
Steven Rostedt | a1d0ce8 | 2010-06-08 11:22:06 -0400 | [diff] [blame] | 167 | extern int ftrace_event_reg(struct ftrace_event_call *event, |
| 168 | enum trace_reg type); |
| 169 | |
Steven Rostedt | 553552c | 2010-04-23 11:12:36 -0400 | [diff] [blame] | 170 | enum { |
| 171 | TRACE_EVENT_FL_ENABLED_BIT, |
| 172 | TRACE_EVENT_FL_FILTERED_BIT, |
Li Zefan | e870e9a | 2010-07-02 11:07:32 +0800 | [diff] [blame] | 173 | TRACE_EVENT_FL_RECORDED_CMD_BIT, |
Frederic Weisbecker | 61c3265 | 2010-11-18 01:39:17 +0100 | [diff] [blame] | 174 | TRACE_EVENT_FL_CAP_ANY_BIT, |
Li Zefan | 27b14b5 | 2011-11-01 09:09:35 +0800 | [diff] [blame] | 175 | TRACE_EVENT_FL_NO_SET_FILTER_BIT, |
Steven Rostedt | 553552c | 2010-04-23 11:12:36 -0400 | [diff] [blame] | 176 | }; |
| 177 | |
| 178 | enum { |
Li Zefan | e870e9a | 2010-07-02 11:07:32 +0800 | [diff] [blame] | 179 | TRACE_EVENT_FL_ENABLED = (1 << TRACE_EVENT_FL_ENABLED_BIT), |
| 180 | TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), |
| 181 | TRACE_EVENT_FL_RECORDED_CMD = (1 << TRACE_EVENT_FL_RECORDED_CMD_BIT), |
Frederic Weisbecker | 61c3265 | 2010-11-18 01:39:17 +0100 | [diff] [blame] | 182 | TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT), |
Li Zefan | 27b14b5 | 2011-11-01 09:09:35 +0800 | [diff] [blame] | 183 | TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT), |
Steven Rostedt | 553552c | 2010-04-23 11:12:36 -0400 | [diff] [blame] | 184 | }; |
| 185 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 186 | struct ftrace_event_call { |
Steven Rostedt | a59fd60 | 2009-04-10 13:52:20 -0400 | [diff] [blame] | 187 | struct list_head list; |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 188 | struct ftrace_event_class *class; |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 189 | char *name; |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 190 | struct dentry *dir; |
Steven Rostedt | 80decc7 | 2010-04-23 10:00:22 -0400 | [diff] [blame] | 191 | struct trace_event event; |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 192 | const char *print_fmt; |
Li Zefan | 1f9963c | 2009-07-20 10:20:53 +0800 | [diff] [blame] | 193 | struct event_filter *filter; |
Steven Rostedt | 6d72373 | 2009-04-10 14:53:50 -0400 | [diff] [blame] | 194 | void *mod; |
Jason Baron | 69fd4f0 | 2009-08-10 16:52:44 -0400 | [diff] [blame] | 195 | void *data; |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 196 | |
Steven Rostedt | 553552c | 2010-04-23 11:12:36 -0400 | [diff] [blame] | 197 | /* |
| 198 | * 32 bit flags: |
| 199 | * bit 1: enabled |
| 200 | * bit 2: filter_active |
Li Zefan | e870e9a | 2010-07-02 11:07:32 +0800 | [diff] [blame] | 201 | * bit 3: enabled cmd record |
Steven Rostedt | 553552c | 2010-04-23 11:12:36 -0400 | [diff] [blame] | 202 | * |
Steven Rostedt | 1eaa478 | 2010-05-14 10:19:13 -0400 | [diff] [blame] | 203 | * Changes to flags must hold the event_mutex. |
| 204 | * |
| 205 | * Note: Reads of flags do not hold the event_mutex since |
| 206 | * they occur in critical sections. But the way flags |
| 207 | * is currently used, these changes do no affect the code |
| 208 | * except that when a change is made, it may have a slight |
| 209 | * delay in propagating the changes to other CPUs due to |
| 210 | * caching and such. |
Steven Rostedt | 553552c | 2010-04-23 11:12:36 -0400 | [diff] [blame] | 211 | */ |
| 212 | unsigned int flags; |
| 213 | |
Steven Rostedt | ff5f149 | 2010-05-21 11:49:57 -0400 | [diff] [blame] | 214 | #ifdef CONFIG_PERF_EVENTS |
Namhyung Kim | 6016ee1 | 2010-08-11 12:47:59 +0900 | [diff] [blame] | 215 | int perf_refcount; |
| 216 | struct hlist_head __percpu *perf_events; |
Steven Rostedt | ff5f149 | 2010-05-21 11:49:57 -0400 | [diff] [blame] | 217 | #endif |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 218 | }; |
| 219 | |
Frederic Weisbecker | 53cf810b | 2010-11-18 02:11:42 +0100 | [diff] [blame] | 220 | #define __TRACE_EVENT_FLAGS(name, value) \ |
| 221 | static int __init trace_init_flags_##name(void) \ |
| 222 | { \ |
| 223 | event_##name.flags = value; \ |
| 224 | return 0; \ |
| 225 | } \ |
| 226 | early_initcall(trace_init_flags_##name); |
| 227 | |
Frederic Weisbecker | 97d5a22 | 2010-03-05 05:35:37 +0100 | [diff] [blame] | 228 | #define PERF_MAX_TRACE_SIZE 2048 |
Frederic Weisbecker | 20ab4425 | 2009-09-18 06:10:28 +0200 | [diff] [blame] | 229 | |
Steven Rostedt | 16bb8eb | 2009-09-12 19:04:54 -0400 | [diff] [blame] | 230 | #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 231 | |
Li Zefan | 2df75e4 | 2009-05-06 10:33:04 +0800 | [diff] [blame] | 232 | extern void destroy_preds(struct ftrace_event_call *call); |
Li Zefan | 6fb2915 | 2009-10-15 11:21:42 +0800 | [diff] [blame] | 233 | extern int filter_match_preds(struct event_filter *filter, void *rec); |
Steven Rostedt | e77405a | 2009-09-02 14:17:06 -0400 | [diff] [blame] | 234 | extern int filter_current_check_discard(struct ring_buffer *buffer, |
| 235 | struct ftrace_event_call *call, |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 236 | void *rec, |
| 237 | struct ring_buffer_event *event); |
| 238 | |
Li Zefan | 43b51ea | 2009-08-07 10:33:22 +0800 | [diff] [blame] | 239 | enum { |
| 240 | FILTER_OTHER = 0, |
| 241 | FILTER_STATIC_STRING, |
| 242 | FILTER_DYN_STRING, |
Li Zefan | 87a342f | 2009-08-07 10:33:43 +0800 | [diff] [blame] | 243 | FILTER_PTR_STRING, |
Li Zefan | 43b51ea | 2009-08-07 10:33:22 +0800 | [diff] [blame] | 244 | }; |
| 245 | |
Steven Rostedt | 0429578 | 2010-11-12 22:32:11 -0500 | [diff] [blame] | 246 | #define EVENT_STORAGE_SIZE 128 |
| 247 | extern struct mutex event_storage_mutex; |
| 248 | extern char event_storage[EVENT_STORAGE_SIZE]; |
| 249 | |
Li Zefan | 87d9b4e | 2009-12-08 11:14:20 +0800 | [diff] [blame] | 250 | extern int trace_event_raw_init(struct ftrace_event_call *call); |
Frederic Weisbecker | aeaeae1 | 2009-08-27 05:09:51 +0200 | [diff] [blame] | 251 | extern int trace_define_field(struct ftrace_event_call *call, const char *type, |
| 252 | const char *name, int offset, int size, |
| 253 | int is_signed, int filter_type); |
Masami Hiramatsu | bd1a5c8 | 2009-08-13 16:34:53 -0400 | [diff] [blame] | 254 | extern int trace_add_event_call(struct ftrace_event_call *call); |
| 255 | extern void trace_remove_event_call(struct ftrace_event_call *call); |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 256 | |
Tom Zanussi | a118e4d | 2009-04-28 03:04:53 -0500 | [diff] [blame] | 257 | #define is_signed_type(type) (((type)(-1)) < 0) |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 258 | |
Steven Rostedt | 4671c79 | 2009-05-08 16:27:41 -0400 | [diff] [blame] | 259 | int trace_set_clr_event(const char *system, const char *event, int set); |
| 260 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 261 | /* |
| 262 | * The double __builtin_constant_p is because gcc will give us an error |
| 263 | * if we try to allocate the static variable to fmt if it is not a |
| 264 | * constant. Even with the outer if statement optimizing out. |
| 265 | */ |
| 266 | #define event_trace_printk(ip, fmt, args...) \ |
| 267 | do { \ |
| 268 | __trace_printk_check_format(fmt, ##args); \ |
| 269 | tracing_record_cmdline(current); \ |
| 270 | if (__builtin_constant_p(fmt)) { \ |
| 271 | static const char *trace_printk_fmt \ |
| 272 | __attribute__((section("__trace_printk_fmt"))) = \ |
| 273 | __builtin_constant_p(fmt) ? fmt : NULL; \ |
| 274 | \ |
| 275 | __trace_bprintk(ip, trace_printk_fmt, ##args); \ |
| 276 | } else \ |
| 277 | __trace_printk(ip, fmt, ##args); \ |
| 278 | } while (0) |
| 279 | |
Li Zefan | 07b139c | 2009-12-21 14:27:35 +0800 | [diff] [blame] | 280 | #ifdef CONFIG_PERF_EVENTS |
Li Zefan | 6fb2915 | 2009-10-15 11:21:42 +0800 | [diff] [blame] | 281 | struct perf_event; |
Frederic Weisbecker | c530665 | 2010-03-03 07:16:16 +0100 | [diff] [blame] | 282 | |
| 283 | DECLARE_PER_CPU(struct pt_regs, perf_trace_regs); |
| 284 | |
Peter Zijlstra | 1c024eca | 2010-05-19 14:02:22 +0200 | [diff] [blame] | 285 | extern int perf_trace_init(struct perf_event *event); |
| 286 | extern void perf_trace_destroy(struct perf_event *event); |
Peter Zijlstra | a4eaf7f | 2010-06-16 14:37:10 +0200 | [diff] [blame] | 287 | extern int perf_trace_add(struct perf_event *event, int flags); |
| 288 | extern void perf_trace_del(struct perf_event *event, int flags); |
Peter Zijlstra | 1c024eca | 2010-05-19 14:02:22 +0200 | [diff] [blame] | 289 | extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, |
Li Zefan | 6fb2915 | 2009-10-15 11:21:42 +0800 | [diff] [blame] | 290 | char *filter_str); |
| 291 | extern void ftrace_profile_free_filter(struct perf_event *event); |
Peter Zijlstra | b7e2ece | 2010-05-19 10:52:27 +0200 | [diff] [blame] | 292 | extern void *perf_trace_buf_prepare(int size, unsigned short type, |
| 293 | struct pt_regs *regs, int *rctxp); |
Xiao Guangrong | 430ad5a | 2010-01-28 09:32:29 +0800 | [diff] [blame] | 294 | |
| 295 | static inline void |
Frederic Weisbecker | 97d5a22 | 2010-03-05 05:35:37 +0100 | [diff] [blame] | 296 | perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr, |
Peter Zijlstra | 1c024eca | 2010-05-19 14:02:22 +0200 | [diff] [blame] | 297 | u64 count, struct pt_regs *regs, void *head) |
Xiao Guangrong | 430ad5a | 2010-01-28 09:32:29 +0800 | [diff] [blame] | 298 | { |
Peter Zijlstra | ecc55f8 | 2010-05-21 15:11:34 +0200 | [diff] [blame] | 299 | perf_tp_event(addr, count, raw_data, size, regs, head, rctx); |
Xiao Guangrong | 430ad5a | 2010-01-28 09:32:29 +0800 | [diff] [blame] | 300 | } |
Li Zefan | 6fb2915 | 2009-10-15 11:21:42 +0800 | [diff] [blame] | 301 | #endif |
| 302 | |
Steven Rostedt | 97f2025 | 2009-04-13 11:20:49 -0400 | [diff] [blame] | 303 | #endif /* _LINUX_FTRACE_EVENT_H */ |